Quicksilver 11178A01 Circuit Breaker With Nut Connections And HardwareHigh-quality 50 amp circuit breaker designed for all MerCruiser engines requiring this specification. Includes nut connectors and attaching hardware for a secure installation.Features Fits all MerCruiser engines using a 50 amp circuit breaker; Kit includes attaching hardware and nut connectors; Meets Mercury Marine OEM specifications; Provides reliable electrical protection; See owner's or service manual for replacement instructions;